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cro777: <chessgames.com>: We don't have to call the alternate assignment "BOB" -- in fact it's probably best we don't -- we would call this "the East vs West Challenge" and then the next time we have a computer-prohibited match it would be BOB-4.

Before anybody gets their hopes up, this whole East-West idea is just a consideration. We may very well just go ahead with BOB-4 in the normal fashion and save the East-West Challenge for some other day.

zsoydd: Since the winning chances in chess strongly depend on the energy invested in the move selection I suggest to consider the E=mc2 rule for the composition of the teams (i.e. both should have nearly equal weight).

cro777: Two days ago, at the German Chess League, GM Constantin Lupulescu (2613) against Adams applied the <5...Ne7...Nc8> maneuver in the Short Variation of the Caro Kann Advanced. The game ended in a draw by repetition in 28 moves.

cro777: Battle of the Brains IV (Team White vs Team Black, 2013) will begin at 8:00pm USA/Eastern on <Monday, April 22nd>. Team White has until that time to vote on their first move. From that time onward, each team will have exactly <48 hours> to vote on each half-move.

cro777: Alexei vs Aleksey and another Advanced Caro Kann with an early ...Bg6.

Recently, at the Russian Team Championship 2013, GM Aleksey Dreev (2654) opted for 6...Bg6 in the Shirov Variation (which is at this time the most popular in the Advanced Caro Kann). Dreev is faithful to his favorite Caro-Kann, while Shirov is also faithful to his sharp line against it.

I'll arbitrarily plug in 23...Kg7, and ask, can White still force a win, same plan? Then, is it 24. Bd2. Threatening Bb4-d6, for the positionl trump, pressure on the dark squares, invading Black's position further, when it appears that Black collapses on the kingside (where White already has pressure).

Black plays 24...Rh8.

And, in this fashion, Black holds on the kingside. This is his 'setup', but we have a trip down memory lane, these were the first positions examined in 14. Bd3>

Indeed after the horrible 24.Bd2 black does hold. Instead white must play 24.Rg3 or 24.Kg1, or maybe even 24.Bf1.

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